<?php
/**
 * Zend Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category   Zend
 * @package    Zend_Controller
 * @subpackage Zend_Controller_Action_Helper
 * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 * @version    $Id: AutoCompleteScriptaculous.php 18951 2009-11-12 16:26:19Z alexander $
 */

/**
 * @see Zend_Controller_Action_Helper_AutoComplete_Abstract
 */
require_once 'Zend/Controller/Action/Helper/AutoComplete/Abstract.php';

/**
 * Create and send Scriptaculous-compatible autocompletion lists
 *
 * @uses       Zend_Controller_Action_Helper_AutoComplete_Abstract
 * @category   Zend
 * @package    Zend_Controller
 * @subpackage Zend_Controller_Action_Helper
 * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */
class Zend_Controller_Action_Helper_AutoCompleteScriptaculous extends Zend_Controller_Action_Helper_AutoComplete_Abstract
{
	/**
	 * Validate data for autocompletion
	 *
	 * @param  mixed $data
	 * @return bool
	 */
	public function validateData($data)
	{
		if (!is_array($data) && !is_scalar($data)) {
			return false;
		}

		return true;
	}

	/**
	 * Prepare data for autocompletion
	 *
	 * @param  mixed   $data
	 * @param  boolean $keepLayouts
	 * @throws Zend_Controller_Action_Exception
	 * @return string
	 */
	public function prepareAutoCompletion($data, $keepLayouts = false)
	{
		if (!$this->validateData($data)) {
			/**
			 * @see Zend_Controller_Action_Exception
			 */
			require_once 'Zend/Controller/Action/Exception.php';
			throw new Zend_Controller_Action_Exception('Invalid data passed for autocompletion');
		}

		$data = (array) $data;
		$data = '<ul><li>' . implode('</li><li>', $data) . '</li></ul>';

		if (!$keepLayouts) {
			$this->disableLayouts();
		}

		return $data;
	}
}
